/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.impl.cmd;

import java.io.Serializable;
import java.util.Optional;

import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.DeploymentEntity;
import org.activiti.engine.impl.persistence.entity.DeploymentEntityManager;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.task.Task;

public class NewTaskCmd implements Command<Task>, Serializable {

    private static final long serialVersionUID = 1L;

    private final String taskId;

    public NewTaskCmd(String taskId) {
        this.taskId = taskId;
    }

    public Task execute(CommandContext commandContext) {
        TaskEntity task = commandContext.getTaskEntityManager().create();
        task.setId(taskId);
        task.setRevision(0);
        findAppVersionFromDeployment(commandContext.getDeploymentEntityManager())
                .ifPresent(task::setAppVersion);
        return task;
    }

    private Optional<Integer> findAppVersionFromDeployment(DeploymentEntityManager deploymentEntityManager) {
        DeploymentEntity deployment = deploymentEntityManager.findLatestDeploymentByName("SpringAutoDeployment");
        return Optional.ofNullable(deployment)
                .map(DeploymentEntity::getVersion);
    }
}
